If the circumference of a circle is 94.25 inches then what is the radius?

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03-02-2015
Mathematics

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If the circumference of a circle is 94.25 inches then what is the radius?

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demonx341 demonx341 · Answer 1 · 2015-02-03T12:34:19-05:00

demonx341 demonx341

03-02-2015

Radius = 15in Given the diameter or radius of a circle, we can find thecircumference. We can also find the diameter (andradius) of a circle given the circumference. The formulas for diameter and circumference of a circle are listed below. We round to 3.14 in order to simplify ourcalculations.

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Nellz01 Nellz01 · Answer 2 · 2015-02-03T12:48:35-05:00

Nellz01 Nellz01

03-02-2015

To find the circumference you do 2 x pi x radius so...
to find the radius from given circumference, work backwards...
94.25 divided by pi = 30 (rounded)
30 divided by 2 = 15
The answer is 15 inches (rounded)
Hope this helps! :)

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